Individual holder
FENN JOHN B
US·2 granted patents·1 pending application·103 citations·filing 1991–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0191US5130538AMethod of producing multiply charged ions and for determining molecular weights of molecules by use of the multiply charged ions of moleculesFENN JOHN B·Filed 1991·Granted Jul 14, 1992·76 cites·85 claims
- 0277US5686726AComposition of matter of a population of multiply charged ions derived from polyatomic parent molecular speciesFENN JOHN B·Filed 1992·Granted Nov 11, 1997·27 cites·112 claims
- 0347US2008067345A1Method for creating multiply charged ions for MALDI mass spectrometry (ESMALDI)FENN JOHN B·Filed 2007·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →